On April 16, 1972, Apollo 16 launched to the moon! Apollo 16 was NASA's fifth lunar landing and the penultimate mission of the entire Apollo program. [‘On This Day in Space’ Video Series on Space.com] ...

In 1972, during NASA’s Apollo 16 mission, astronaut Charlie Duke left behind more than footprints on the lunar surface, he placed a small, deeply personal object that still rests there today.

U.S. astronauts have left many objects behind on the moon, but few are quite as touching as this family photo that an astronaut left in the 1970s.